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  1. Arsenic - Wikipedia

    The primary use of arsenic is in alloys of lead (for example, in car batteries and ammunition). Arsenic is also a common n-type dopant in semiconductor electronic devices, and a …

  2. Arsenic | Definition, Symbol, Uses, & Facts | Britannica

    Nov 21, 2025 · Arsenic, a chemical element in the nitrogen group (Group 15 [Va] of the periodic table), existing in both gray and yellow crystalline forms. Its chemical symbol is As, and it was …

  3. Arsenic - Element information, properties and uses | Periodic Table

    A small amount of arsenic is found in its native state. It is mainly found in minerals. The most common arsenic-containing mineral is arsenopyrite. Others include realgar, orpiment and …

  4. Arsenic: A centuries-old poison

    Inorganic arsenic is toxic and a human carcinogen that is found in groundwater, bedrock, and soil. Organic arsenic is arsenic combined with other molecules containing carbon and hydrogen.

  5. Arsenic - World Health Organization (WHO)

    Dec 7, 2022 · Key facts Arsenic is naturally present at high levels in the groundwater of several countries. Arsenic is highly toxic in its inorganic form. Contaminated water used for drinking, …

  6. Arsenic Facts - Element As or 33 - Science Notes and Projects

    Dec 3, 2023 · Get arsenic facts. Learn about the element's properties, uses, and sources. Find out how arsenic poisoning works.

  7. Clinician Brief: Arsenic | Environmental Health and Medicine …

    Dec 16, 2024 · Arsenic is usually found in the environment combined with other elements and is commonly classified as inorganic or organic arsenic. Most inorganic and organic arsenic …

  8. Arsenic - MedlinePlus

    Sep 27, 2024 · Arsenic can be in food, soil, and water. Low levels will probably not hurt you, but higher levels can cause problems. Learn more about arsenic.

  9. Researchers have long known that both short-term and long-term exposure to arsenic can cause health problems, and they continue to learn more about how arsenic works in the body — what …

  10. Periodic Table of Elements: Los Alamos National Laboratory

    Elemental arsenic occurs in two solid modifications: yellow, and gray or metallic, with specific gravities of 1.97, and 5.73, respectively. It is believed that Albertus Magnus obtained the …